Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Cortney D Birschbach, OD

Individual provider Corneal and Contact Management Optometrist · NPI 1376105700

Cortney D Birschbach, OD is an Optometry in Fond Du Lac, Wisconsin. Graduated from Illinois College of Optometry at Chicago in 2019, 7 years ago. Practices with Aeg Wisconsin Professional Ltd, a 16-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
7
Trained at
Illinois College of Optometry at Chicago
Licensed in
WI
In the registry since
2019
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

355 N Peters Ave
Fond Du Lac, WI 54935-8258
Phone: (920) 922-7121
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 3576-35 (WI)
Corneal and Contact Management Optometrist Taxonomy 152WC0802X · Licence 3576-35 (WI)

Record details

NPI number1376105700
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 6, 2019
Last updated in NPPESApril 17, 2020
Certification dateApril 17, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 2019 (7 years in practice)
Group practice Aeg Wisconsin Professional Ltd — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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